Assignee
PERFORMANCE INDUSTRIES
US·28 granted patents·738 citations·filing 1973–1991
Top patents by PatentIndex Score
28 records- 0190US4228770AInternal combustion engine fuel supply systemPERFORMANCE INDUSTRIES·Filed 1979·Granted Oct 21, 1980·43 cites·16 claims
- 0289US4696263AReed valves for internal combustion enginesPERFORMANCE INDUSTRIES·Filed 1986·Granted Sep 29, 1987·55 cites·9 claims
- 0386US4000723AEngine valve means and portingPERFORMANCE INDUSTRIES·Filed 1973·Granted Jan 4, 1977·38 cites·1 claims
- 0485US4474145AFuel supply system for internal combustion enginePERFORMANCE INDUSTRIES·Filed 1983·Granted Oct 2, 1984·31 cites·22 claims
- 0584US4558761AMotorcycle drive wheel suspension systemPERFORMANCE INDUSTRIES·Filed 1984·Granted Dec 17, 1985·31 cites·6 claims
- 0684US4463824ADrive wheel suspension system for motorcyclePERFORMANCE INDUSTRIES·Filed 1982·Granted Aug 7, 1984·50 cites·13 claims
- 0783US5247912AReed valve mechanism and method for constructing samePERFORMANCE INDUSTRIES·Filed 1991·Granted Sep 28, 1993·50 cites·36 claims
- 0880US4879976AReed valve mechanism for enginesPERFORMANCE INDUSTRIES·Filed 1987·Granted Nov 14, 1989·36 cites·17 claims
- 0980US4051820AEngine valving and portingPERFORMANCE INDUSTRIES·Filed 1975·Granted Oct 4, 1977·30 cites·6 claims
- 1077US4911115ASlide exhaust control valve for fuel injected two-stroke cycle engines and process for using samePERFORMANCE INDUSTRIES·Filed 1989·Granted Mar 27, 1990·33 cites·23 claims
- 1175US4202299ATwo cycle internal combustion enginePERFORMANCE INDUSTRIES·Filed 1978·Granted May 13, 1980·21 cites·4 claims
- 1273US4408674AMotorcycle drive wheel suspension systemPERFORMANCE INDUSTRIES·Filed 1982·Granted Oct 11, 1983·38 cites·7 claims
- 1371US4161163ATwo cycle internal combustion enginePERFORMANCE INDUSTRIES·Filed 1977·Granted Jul 17, 1979·22 cites·7 claims
- 1469US4924819ARotary exhaust control valve for two-stroke cycle engines and process for using the samePERFORMANCE INDUSTRIES·Filed 1989·Granted May 15, 1990·21 cites·20 claims
- 1568US4829946AExhaust control valve for two-stroke cycle engines and process for using the samePERFORMANCE INDUSTRIES·Filed 1987·Granted May 16, 1989·15 cites·13 claims
- 1667US5036806AReed valves for internal combustion enginesPERFORMANCE INDUSTRIES·Filed 1990·Granted Aug 6, 1991·29 cites·31 claims
- 1767US4621706AMotorcycle drive wheel suspension systemPERFORMANCE INDUSTRIES·Filed 1985·Granted Nov 11, 1986·35 cites·5 claims
- 1864US4395978AFuel porting for two-cycle internal combustion enginePERFORMANCE INDUSTRIES·Filed 1981·Granted Aug 2, 1983·17 cites·11 claims
- 1962US4235206ATwo cycle internal combustion enginePERFORMANCE INDUSTRIES·Filed 1978·Granted Nov 25, 1980·17 cites·1 claims
- 2059US4544044AMotorcycle drive wheel suspension systemPERFORMANCE INDUSTRIES·Filed 1983·Granted Oct 1, 1985·26 cites·20 claims
- 2159US4294202AFuel porting for two cycle internal combustion enginePERFORMANCE INDUSTRIES·Filed 1980·Granted Oct 13, 1981·15 cites·7 claims
- 2256US5176170AMultiple stage reed valves for use in internal combustion enginesPERFORMANCE INDUSTRIES·Filed 1991·Granted Jan 5, 1993·16 cites·27 claims
- 2355US4202298AFuel porting for two cycle internal combustion enginePERFORMANCE INDUSTRIES·Filed 1978·Granted May 13, 1980·12 cites·9 claims
- 2453US4909193AExhaust control valve for fuel injected two-stroke cycle engines and process for using samePERFORMANCE INDUSTRIES·Filed 1989·Granted Mar 20, 1990·14 cites·20 claims
- 2551US4388895AFuel porting for two cycle internal combustion enginePERFORMANCE INDUSTRIES·Filed 1981·Granted Jun 21, 1983·11 cites·4 claims
- 2649US4062331ATwo cycle internal combustion enginePERFORMANCE INDUSTRIES·Filed 1976·Granted Dec 13, 1977·15 cites·21 claims
- 2748US4389982AInternal combustion engine fuel supply systemPERFORMANCE INDUSTRIES·Filed 1981·Granted Jun 28, 1983·10 cites·7 claims
- 2844US4143626AInjector porting for two cycle internal combustion enginePERFORMANCE INDUSTRIES·Filed 1977·Granted Mar 13, 1979·7 cites·17 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →